GDBRemoteRegisterContext.cpp revision 263363
1//===-- GDBRemoteRegisterContext.cpp ----------------------------*- C++ -*-===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9 10#include "GDBRemoteRegisterContext.h" 11 12// C Includes 13// C++ Includes 14// Other libraries and framework includes 15#include "lldb/Core/DataBufferHeap.h" 16#include "lldb/Core/DataExtractor.h" 17#include "lldb/Core/RegisterValue.h" 18#include "lldb/Core/Scalar.h" 19#include "lldb/Core/StreamString.h" 20#ifndef LLDB_DISABLE_PYTHON 21#include "lldb/Interpreter/PythonDataObjects.h" 22#endif 23#include "lldb/Target/ExecutionContext.h" 24#include "lldb/Utility/Utils.h" 25// Project includes 26#include "Utility/StringExtractorGDBRemote.h" 27#include "ProcessGDBRemote.h" 28#include "ProcessGDBRemoteLog.h" 29#include "ThreadGDBRemote.h" 30#include "Utility/ARM_GCC_Registers.h" 31#include "Utility/ARM_DWARF_Registers.h" 32 33using namespace lldb; 34using namespace lldb_private; 35 36//---------------------------------------------------------------------- 37// GDBRemoteRegisterContext constructor 38//---------------------------------------------------------------------- 39GDBRemoteRegisterContext::GDBRemoteRegisterContext 40( 41 ThreadGDBRemote &thread, 42 uint32_t concrete_frame_idx, 43 GDBRemoteDynamicRegisterInfo ®_info, 44 bool read_all_at_once 45) : 46 RegisterContext (thread, concrete_frame_idx), 47 m_reg_info (reg_info), 48 m_reg_valid (), 49 m_reg_data (), 50 m_read_all_at_once (read_all_at_once) 51{ 52 // Resize our vector of bools to contain one bool for every register. 53 // We will use these boolean values to know when a register value 54 // is valid in m_reg_data. 55 m_reg_valid.resize (reg_info.GetNumRegisters()); 56 57 // Make a heap based buffer that is big enough to store all registers 58 DataBufferSP reg_data_sp(new DataBufferHeap (reg_info.GetRegisterDataByteSize(), 0)); 59 m_reg_data.SetData (reg_data_sp); 60 m_reg_data.SetByteOrder(thread.GetProcess()->GetByteOrder()); 61} 62 63//---------------------------------------------------------------------- 64// Destructor 65//---------------------------------------------------------------------- 66GDBRemoteRegisterContext::~GDBRemoteRegisterContext() 67{ 68} 69 70void 71GDBRemoteRegisterContext::InvalidateAllRegisters () 72{ 73 SetAllRegisterValid (false); 74} 75 76void 77GDBRemoteRegisterContext::SetAllRegisterValid (bool b) 78{ 79 std::vector<bool>::iterator pos, end = m_reg_valid.end(); 80 for (pos = m_reg_valid.begin(); pos != end; ++pos) 81 *pos = b; 82} 83 84size_t 85GDBRemoteRegisterContext::GetRegisterCount () 86{ 87 return m_reg_info.GetNumRegisters (); 88} 89 90const RegisterInfo * 91GDBRemoteRegisterContext::GetRegisterInfoAtIndex (size_t reg) 92{ 93 return m_reg_info.GetRegisterInfoAtIndex (reg); 94} 95 96size_t 97GDBRemoteRegisterContext::GetRegisterSetCount () 98{ 99 return m_reg_info.GetNumRegisterSets (); 100} 101 102 103 104const RegisterSet * 105GDBRemoteRegisterContext::GetRegisterSet (size_t reg_set) 106{ 107 return m_reg_info.GetRegisterSet (reg_set); 108} 109 110 111 112bool 113GDBRemoteRegisterContext::ReadRegister (const RegisterInfo *reg_info, RegisterValue &value) 114{ 115 // Read the register 116 if (ReadRegisterBytes (reg_info, m_reg_data)) 117 { 118 const bool partial_data_ok = false; 119 Error error (value.SetValueFromData(reg_info, m_reg_data, reg_info->byte_offset, partial_data_ok)); 120 return error.Success(); 121 } 122 return false; 123} 124 125bool 126GDBRemoteRegisterContext::PrivateSetRegisterValue (uint32_t reg, StringExtractor &response) 127{ 128 const RegisterInfo *reg_info = GetRegisterInfoAtIndex (reg); 129 if (reg_info == NULL) 130 return false; 131 132 // Invalidate if needed 133 InvalidateIfNeeded(false); 134 135 const uint32_t reg_byte_size = reg_info->byte_size; 136 const size_t bytes_copied = response.GetHexBytes (const_cast<uint8_t*>(m_reg_data.PeekData(reg_info->byte_offset, reg_byte_size)), reg_byte_size, '\xcc'); 137 bool success = bytes_copied == reg_byte_size; 138 if (success) 139 { 140 SetRegisterIsValid(reg, true); 141 } 142 else if (bytes_copied > 0) 143 { 144 // Only set register is valid to false if we copied some bytes, else 145 // leave it as it was. 146 SetRegisterIsValid(reg, false); 147 } 148 return success; 149} 150 151// Helper function for GDBRemoteRegisterContext::ReadRegisterBytes(). 152bool 153GDBRemoteRegisterContext::GetPrimordialRegister(const lldb_private::RegisterInfo *reg_info, 154 GDBRemoteCommunicationClient &gdb_comm) 155{ 156 char packet[64]; 157 StringExtractorGDBRemote response; 158 int packet_len = 0; 159 const uint32_t reg = reg_info->kinds[eRegisterKindLLDB]; 160 if (gdb_comm.GetThreadSuffixSupported()) 161 packet_len = ::snprintf (packet, sizeof(packet), "p%x;thread:%4.4" PRIx64 ";", reg, m_thread.GetProtocolID()); 162 else 163 packet_len = ::snprintf (packet, sizeof(packet), "p%x", reg); 164 assert (packet_len < ((int)sizeof(packet) - 1)); 165 if (gdb_comm.SendPacketAndWaitForResponse(packet, response, false)) 166 return PrivateSetRegisterValue (reg, response); 167 168 return false; 169} 170bool 171GDBRemoteRegisterContext::ReadRegisterBytes (const RegisterInfo *reg_info, DataExtractor &data) 172{ 173 ExecutionContext exe_ctx (CalculateThread()); 174 175 Process *process = exe_ctx.GetProcessPtr(); 176 Thread *thread = exe_ctx.GetThreadPtr(); 177 if (process == NULL || thread == NULL) 178 return false; 179 180 GDBRemoteCommunicationClient &gdb_comm (((ProcessGDBRemote *)process)->GetGDBRemote()); 181 182 InvalidateIfNeeded(false); 183 184 const uint32_t reg = reg_info->kinds[eRegisterKindLLDB]; 185 186 if (!GetRegisterIsValid(reg)) 187 { 188 Mutex::Locker locker; 189 if (gdb_comm.GetSequenceMutex (locker, "Didn't get sequence mutex for read register.")) 190 { 191 const bool thread_suffix_supported = gdb_comm.GetThreadSuffixSupported(); 192 ProcessSP process_sp (m_thread.GetProcess()); 193 if (thread_suffix_supported || static_cast<ProcessGDBRemote *>(process_sp.get())->GetGDBRemote().SetCurrentThread(m_thread.GetProtocolID())) 194 { 195 char packet[64]; 196 StringExtractorGDBRemote response; 197 int packet_len = 0; 198 if (m_read_all_at_once) 199 { 200 // Get all registers in one packet 201 if (thread_suffix_supported) 202 packet_len = ::snprintf (packet, sizeof(packet), "g;thread:%4.4" PRIx64 ";", m_thread.GetProtocolID()); 203 else 204 packet_len = ::snprintf (packet, sizeof(packet), "g"); 205 assert (packet_len < ((int)sizeof(packet) - 1)); 206 if (gdb_comm.SendPacketAndWaitForResponse(packet, response, false)) 207 { 208 if (response.IsNormalResponse()) 209 if (response.GetHexBytes ((void *)m_reg_data.GetDataStart(), m_reg_data.GetByteSize(), '\xcc') == m_reg_data.GetByteSize()) 210 SetAllRegisterValid (true); 211 } 212 } 213 else if (reg_info->value_regs) 214 { 215 // Process this composite register request by delegating to the constituent 216 // primordial registers. 217 218 // Index of the primordial register. 219 bool success = true; 220 for (uint32_t idx = 0; success; ++idx) 221 { 222 const uint32_t prim_reg = reg_info->value_regs[idx]; 223 if (prim_reg == LLDB_INVALID_REGNUM) 224 break; 225 // We have a valid primordial regsiter as our constituent. 226 // Grab the corresponding register info. 227 const RegisterInfo *prim_reg_info = GetRegisterInfoAtIndex(prim_reg); 228 if (prim_reg_info == NULL) 229 success = false; 230 else 231 { 232 // Read the containing register if it hasn't already been read 233 if (!GetRegisterIsValid(prim_reg)) 234 success = GetPrimordialRegister(prim_reg_info, gdb_comm); 235 } 236 } 237 238 if (success) 239 { 240 // If we reach this point, all primordial register requests have succeeded. 241 // Validate this composite register. 242 SetRegisterIsValid (reg_info, true); 243 } 244 } 245 else 246 { 247 // Get each register individually 248 GetPrimordialRegister(reg_info, gdb_comm); 249 } 250 } 251 } 252 else 253 { 254#if LLDB_CONFIGURATION_DEBUG 255 StreamString strm; 256 gdb_comm.DumpHistory(strm); 257 Host::SetCrashDescription (strm.GetData()); 258 assert (!"Didn't get sequence mutex for read register."); 259#else 260 Log *log (ProcessGDBRemoteLog::GetLogIfAnyCategoryIsSet (GDBR_LOG_THREAD | GDBR_LOG_PACKETS)); 261 if (log) 262 { 263 if (log->GetVerbose()) 264 { 265 StreamString strm; 266 gdb_comm.DumpHistory(strm); 267 log->Printf("error: failed to get packet sequence mutex, not sending read register for \"%s\":\n%s", reg_info->name, strm.GetData()); 268 } 269 else 270 { 271 log->Printf("error: failed to get packet sequence mutex, not sending read register for \"%s\"", reg_info->name); 272 } 273 } 274#endif 275 } 276 277 // Make sure we got a valid register value after reading it 278 if (!GetRegisterIsValid(reg)) 279 return false; 280 } 281 282 if (&data != &m_reg_data) 283 { 284 // If we aren't extracting into our own buffer (which 285 // only happens when this function is called from 286 // ReadRegisterValue(uint32_t, Scalar&)) then 287 // we transfer bytes from our buffer into the data 288 // buffer that was passed in 289 data.SetByteOrder (m_reg_data.GetByteOrder()); 290 data.SetData (m_reg_data, reg_info->byte_offset, reg_info->byte_size); 291 } 292 return true; 293} 294 295bool 296GDBRemoteRegisterContext::WriteRegister (const RegisterInfo *reg_info, 297 const RegisterValue &value) 298{ 299 DataExtractor data; 300 if (value.GetData (data)) 301 return WriteRegisterBytes (reg_info, data, 0); 302 return false; 303} 304 305// Helper function for GDBRemoteRegisterContext::WriteRegisterBytes(). 306bool 307GDBRemoteRegisterContext::SetPrimordialRegister(const lldb_private::RegisterInfo *reg_info, 308 GDBRemoteCommunicationClient &gdb_comm) 309{ 310 StreamString packet; 311 StringExtractorGDBRemote response; 312 const uint32_t reg = reg_info->kinds[eRegisterKindLLDB]; 313 packet.Printf ("P%x=", reg); 314 packet.PutBytesAsRawHex8 (m_reg_data.PeekData(reg_info->byte_offset, reg_info->byte_size), 315 reg_info->byte_size, 316 lldb::endian::InlHostByteOrder(), 317 lldb::endian::InlHostByteOrder()); 318 319 if (gdb_comm.GetThreadSuffixSupported()) 320 packet.Printf (";thread:%4.4" PRIx64 ";", m_thread.GetProtocolID()); 321 322 // Invalidate just this register 323 SetRegisterIsValid(reg, false); 324 if (gdb_comm.SendPacketAndWaitForResponse(packet.GetString().c_str(), 325 packet.GetString().size(), 326 response, 327 false)) 328 { 329 if (response.IsOKResponse()) 330 return true; 331 } 332 return false; 333} 334 335void 336GDBRemoteRegisterContext::SyncThreadState(Process *process) 337{ 338 // NB. We assume our caller has locked the sequence mutex. 339 340 GDBRemoteCommunicationClient &gdb_comm (((ProcessGDBRemote *) process)->GetGDBRemote()); 341 if (!gdb_comm.GetSyncThreadStateSupported()) 342 return; 343 344 StreamString packet; 345 StringExtractorGDBRemote response; 346 packet.Printf ("QSyncThreadState:%4.4" PRIx64 ";", m_thread.GetProtocolID()); 347 if (gdb_comm.SendPacketAndWaitForResponse(packet.GetString().c_str(), 348 packet.GetString().size(), 349 response, 350 false)) 351 { 352 if (response.IsOKResponse()) 353 InvalidateAllRegisters(); 354 } 355} 356 357bool 358GDBRemoteRegisterContext::WriteRegisterBytes (const lldb_private::RegisterInfo *reg_info, DataExtractor &data, uint32_t data_offset) 359{ 360 ExecutionContext exe_ctx (CalculateThread()); 361 362 Process *process = exe_ctx.GetProcessPtr(); 363 Thread *thread = exe_ctx.GetThreadPtr(); 364 if (process == NULL || thread == NULL) 365 return false; 366 367 GDBRemoteCommunicationClient &gdb_comm (((ProcessGDBRemote *)process)->GetGDBRemote()); 368// FIXME: This check isn't right because IsRunning checks the Public state, but this 369// is work you need to do - for instance in ShouldStop & friends - before the public 370// state has been changed. 371// if (gdb_comm.IsRunning()) 372// return false; 373 374 // Grab a pointer to where we are going to put this register 375 uint8_t *dst = const_cast<uint8_t*>(m_reg_data.PeekData(reg_info->byte_offset, reg_info->byte_size)); 376 377 if (dst == NULL) 378 return false; 379 380 381 if (data.CopyByteOrderedData (data_offset, // src offset 382 reg_info->byte_size, // src length 383 dst, // dst 384 reg_info->byte_size, // dst length 385 m_reg_data.GetByteOrder())) // dst byte order 386 { 387 Mutex::Locker locker; 388 if (gdb_comm.GetSequenceMutex (locker, "Didn't get sequence mutex for write register.")) 389 { 390 const bool thread_suffix_supported = gdb_comm.GetThreadSuffixSupported(); 391 ProcessSP process_sp (m_thread.GetProcess()); 392 if (thread_suffix_supported || static_cast<ProcessGDBRemote *>(process_sp.get())->GetGDBRemote().SetCurrentThread(m_thread.GetProtocolID())) 393 { 394 StreamString packet; 395 StringExtractorGDBRemote response; 396 397 if (m_read_all_at_once) 398 { 399 // Set all registers in one packet 400 packet.PutChar ('G'); 401 packet.PutBytesAsRawHex8 (m_reg_data.GetDataStart(), 402 m_reg_data.GetByteSize(), 403 lldb::endian::InlHostByteOrder(), 404 lldb::endian::InlHostByteOrder()); 405 406 if (thread_suffix_supported) 407 packet.Printf (";thread:%4.4" PRIx64 ";", m_thread.GetProtocolID()); 408 409 // Invalidate all register values 410 InvalidateIfNeeded (true); 411 412 if (gdb_comm.SendPacketAndWaitForResponse(packet.GetString().c_str(), 413 packet.GetString().size(), 414 response, 415 false)) 416 { 417 SetAllRegisterValid (false); 418 if (response.IsOKResponse()) 419 { 420 return true; 421 } 422 } 423 } 424 else 425 { 426 bool success = true; 427 428 if (reg_info->value_regs) 429 { 430 // This register is part of another register. In this case we read the actual 431 // register data for any "value_regs", and once all that data is read, we will 432 // have enough data in our register context bytes for the value of this register 433 434 // Invalidate this composite register first. 435 436 for (uint32_t idx = 0; success; ++idx) 437 { 438 const uint32_t reg = reg_info->value_regs[idx]; 439 if (reg == LLDB_INVALID_REGNUM) 440 break; 441 // We have a valid primordial regsiter as our constituent. 442 // Grab the corresponding register info. 443 const RegisterInfo *value_reg_info = GetRegisterInfoAtIndex(reg); 444 if (value_reg_info == NULL) 445 success = false; 446 else 447 success = SetPrimordialRegister(value_reg_info, gdb_comm); 448 } 449 } 450 else 451 { 452 // This is an actual register, write it 453 success = SetPrimordialRegister(reg_info, gdb_comm); 454 } 455 456 // Check if writing this register will invalidate any other register values? 457 // If so, invalidate them 458 if (reg_info->invalidate_regs) 459 { 460 for (uint32_t idx = 0, reg = reg_info->invalidate_regs[0]; 461 reg != LLDB_INVALID_REGNUM; 462 reg = reg_info->invalidate_regs[++idx]) 463 { 464 SetRegisterIsValid(reg, false); 465 } 466 } 467 468 return success; 469 } 470 } 471 } 472 else 473 { 474 Log *log (ProcessGDBRemoteLog::GetLogIfAnyCategoryIsSet (GDBR_LOG_THREAD | GDBR_LOG_PACKETS)); 475 if (log) 476 { 477 if (log->GetVerbose()) 478 { 479 StreamString strm; 480 gdb_comm.DumpHistory(strm); 481 log->Printf("error: failed to get packet sequence mutex, not sending write register for \"%s\":\n%s", reg_info->name, strm.GetData()); 482 } 483 else 484 log->Printf("error: failed to get packet sequence mutex, not sending write register for \"%s\"", reg_info->name); 485 } 486 } 487 } 488 return false; 489} 490 491 492bool 493GDBRemoteRegisterContext::ReadAllRegisterValues (lldb::DataBufferSP &data_sp) 494{ 495 ExecutionContext exe_ctx (CalculateThread()); 496 497 Process *process = exe_ctx.GetProcessPtr(); 498 Thread *thread = exe_ctx.GetThreadPtr(); 499 if (process == NULL || thread == NULL) 500 return false; 501 502 GDBRemoteCommunicationClient &gdb_comm (((ProcessGDBRemote *)process)->GetGDBRemote()); 503 504 StringExtractorGDBRemote response; 505 506 Mutex::Locker locker; 507 if (gdb_comm.GetSequenceMutex (locker, "Didn't get sequence mutex for read all registers.")) 508 { 509 SyncThreadState(process); 510 511 char packet[32]; 512 const bool thread_suffix_supported = gdb_comm.GetThreadSuffixSupported(); 513 ProcessSP process_sp (m_thread.GetProcess()); 514 if (thread_suffix_supported || static_cast<ProcessGDBRemote *>(process_sp.get())->GetGDBRemote().SetCurrentThread(m_thread.GetProtocolID())) 515 { 516 int packet_len = 0; 517 if (thread_suffix_supported) 518 packet_len = ::snprintf (packet, sizeof(packet), "g;thread:%4.4" PRIx64, m_thread.GetProtocolID()); 519 else 520 packet_len = ::snprintf (packet, sizeof(packet), "g"); 521 assert (packet_len < ((int)sizeof(packet) - 1)); 522 523 if (gdb_comm.SendPacketAndWaitForResponse(packet, packet_len, response, false)) 524 { 525 if (response.IsErrorResponse()) 526 return false; 527 528 std::string &response_str = response.GetStringRef(); 529 if (isxdigit(response_str[0])) 530 { 531 response_str.insert(0, 1, 'G'); 532 if (thread_suffix_supported) 533 { 534 char thread_id_cstr[64]; 535 ::snprintf (thread_id_cstr, sizeof(thread_id_cstr), ";thread:%4.4" PRIx64 ";", m_thread.GetProtocolID()); 536 response_str.append (thread_id_cstr); 537 } 538 data_sp.reset (new DataBufferHeap (response_str.c_str(), response_str.size())); 539 return true; 540 } 541 } 542 } 543 } 544 else 545 { 546 Log *log (ProcessGDBRemoteLog::GetLogIfAnyCategoryIsSet (GDBR_LOG_THREAD | GDBR_LOG_PACKETS)); 547 if (log) 548 { 549 if (log->GetVerbose()) 550 { 551 StreamString strm; 552 gdb_comm.DumpHistory(strm); 553 log->Printf("error: failed to get packet sequence mutex, not sending read all registers:\n%s", strm.GetData()); 554 } 555 else 556 log->Printf("error: failed to get packet sequence mutex, not sending read all registers"); 557 } 558 } 559 560 data_sp.reset(); 561 return false; 562} 563 564bool 565GDBRemoteRegisterContext::WriteAllRegisterValues (const lldb::DataBufferSP &data_sp) 566{ 567 if (!data_sp || data_sp->GetBytes() == NULL || data_sp->GetByteSize() == 0) 568 return false; 569 570 ExecutionContext exe_ctx (CalculateThread()); 571 572 Process *process = exe_ctx.GetProcessPtr(); 573 Thread *thread = exe_ctx.GetThreadPtr(); 574 if (process == NULL || thread == NULL) 575 return false; 576 577 GDBRemoteCommunicationClient &gdb_comm (((ProcessGDBRemote *)process)->GetGDBRemote()); 578 579 StringExtractorGDBRemote response; 580 Mutex::Locker locker; 581 if (gdb_comm.GetSequenceMutex (locker, "Didn't get sequence mutex for write all registers.")) 582 { 583 const bool thread_suffix_supported = gdb_comm.GetThreadSuffixSupported(); 584 ProcessSP process_sp (m_thread.GetProcess()); 585 if (thread_suffix_supported || static_cast<ProcessGDBRemote *>(process_sp.get())->GetGDBRemote().SetCurrentThread(m_thread.GetProtocolID())) 586 { 587 // The data_sp contains the entire G response packet including the 588 // G, and if the thread suffix is supported, it has the thread suffix 589 // as well. 590 const char *G_packet = (const char *)data_sp->GetBytes(); 591 size_t G_packet_len = data_sp->GetByteSize(); 592 if (gdb_comm.SendPacketAndWaitForResponse (G_packet, 593 G_packet_len, 594 response, 595 false)) 596 { 597 if (response.IsOKResponse()) 598 return true; 599 else if (response.IsErrorResponse()) 600 { 601 uint32_t num_restored = 0; 602 // We need to manually go through all of the registers and 603 // restore them manually 604 605 response.GetStringRef().assign (G_packet, G_packet_len); 606 response.SetFilePos(1); // Skip the leading 'G' 607 DataBufferHeap buffer (m_reg_data.GetByteSize(), 0); 608 DataExtractor restore_data (buffer.GetBytes(), 609 buffer.GetByteSize(), 610 m_reg_data.GetByteOrder(), 611 m_reg_data.GetAddressByteSize()); 612 613 const uint32_t bytes_extracted = response.GetHexBytes ((void *)restore_data.GetDataStart(), 614 restore_data.GetByteSize(), 615 '\xcc'); 616 617 if (bytes_extracted < restore_data.GetByteSize()) 618 restore_data.SetData(restore_data.GetDataStart(), bytes_extracted, m_reg_data.GetByteOrder()); 619 620 //ReadRegisterBytes (const RegisterInfo *reg_info, RegisterValue &value, DataExtractor &data) 621 const RegisterInfo *reg_info; 622 // We have to march the offset of each register along in the 623 // buffer to make sure we get the right offset. 624 uint32_t reg_byte_offset = 0; 625 for (uint32_t reg_idx=0; (reg_info = GetRegisterInfoAtIndex (reg_idx)) != NULL; ++reg_idx, reg_byte_offset += reg_info->byte_size) 626 { 627 const uint32_t reg = reg_info->kinds[eRegisterKindLLDB]; 628 629 // Skip composite registers. 630 if (reg_info->value_regs) 631 continue; 632 633 // Only write down the registers that need to be written 634 // if we are going to be doing registers individually. 635 bool write_reg = true; 636 const uint32_t reg_byte_size = reg_info->byte_size; 637 638 const char *restore_src = (const char *)restore_data.PeekData(reg_byte_offset, reg_byte_size); 639 if (restore_src) 640 { 641 if (GetRegisterIsValid(reg)) 642 { 643 const char *current_src = (const char *)m_reg_data.PeekData(reg_byte_offset, reg_byte_size); 644 if (current_src) 645 write_reg = memcmp (current_src, restore_src, reg_byte_size) != 0; 646 } 647 648 if (write_reg) 649 { 650 StreamString packet; 651 packet.Printf ("P%x=", reg); 652 packet.PutBytesAsRawHex8 (restore_src, 653 reg_byte_size, 654 lldb::endian::InlHostByteOrder(), 655 lldb::endian::InlHostByteOrder()); 656 657 if (thread_suffix_supported) 658 packet.Printf (";thread:%4.4" PRIx64 ";", m_thread.GetProtocolID()); 659 660 SetRegisterIsValid(reg, false); 661 if (gdb_comm.SendPacketAndWaitForResponse(packet.GetString().c_str(), 662 packet.GetString().size(), 663 response, 664 false)) 665 { 666 if (response.IsOKResponse()) 667 ++num_restored; 668 } 669 } 670 } 671 } 672 return num_restored > 0; 673 } 674 } 675 } 676 } 677 else 678 { 679 Log *log (ProcessGDBRemoteLog::GetLogIfAnyCategoryIsSet (GDBR_LOG_THREAD | GDBR_LOG_PACKETS)); 680 if (log) 681 { 682 if (log->GetVerbose()) 683 { 684 StreamString strm; 685 gdb_comm.DumpHistory(strm); 686 log->Printf("error: failed to get packet sequence mutex, not sending write all registers:\n%s", strm.GetData()); 687 } 688 else 689 log->Printf("error: failed to get packet sequence mutex, not sending write all registers"); 690 } 691 } 692 return false; 693} 694 695 696uint32_t 697GDBRemoteRegisterContext::ConvertRegisterKindToRegisterNumber (uint32_t kind, uint32_t num) 698{ 699 return m_reg_info.ConvertRegisterKindToRegisterNumber (kind, num); 700} 701 702 703void 704GDBRemoteDynamicRegisterInfo::HardcodeARMRegisters(bool from_scratch) 705{ 706 // For Advanced SIMD and VFP register mapping. 707 static uint32_t g_d0_regs[] = { 26, 27, LLDB_INVALID_REGNUM }; // (s0, s1) 708 static uint32_t g_d1_regs[] = { 28, 29, LLDB_INVALID_REGNUM }; // (s2, s3) 709 static uint32_t g_d2_regs[] = { 30, 31, LLDB_INVALID_REGNUM }; // (s4, s5) 710 static uint32_t g_d3_regs[] = { 32, 33, LLDB_INVALID_REGNUM }; // (s6, s7) 711 static uint32_t g_d4_regs[] = { 34, 35, LLDB_INVALID_REGNUM }; // (s8, s9) 712 static uint32_t g_d5_regs[] = { 36, 37, LLDB_INVALID_REGNUM }; // (s10, s11) 713 static uint32_t g_d6_regs[] = { 38, 39, LLDB_INVALID_REGNUM }; // (s12, s13) 714 static uint32_t g_d7_regs[] = { 40, 41, LLDB_INVALID_REGNUM }; // (s14, s15) 715 static uint32_t g_d8_regs[] = { 42, 43, LLDB_INVALID_REGNUM }; // (s16, s17) 716 static uint32_t g_d9_regs[] = { 44, 45, LLDB_INVALID_REGNUM }; // (s18, s19) 717 static uint32_t g_d10_regs[] = { 46, 47, LLDB_INVALID_REGNUM }; // (s20, s21) 718 static uint32_t g_d11_regs[] = { 48, 49, LLDB_INVALID_REGNUM }; // (s22, s23) 719 static uint32_t g_d12_regs[] = { 50, 51, LLDB_INVALID_REGNUM }; // (s24, s25) 720 static uint32_t g_d13_regs[] = { 52, 53, LLDB_INVALID_REGNUM }; // (s26, s27) 721 static uint32_t g_d14_regs[] = { 54, 55, LLDB_INVALID_REGNUM }; // (s28, s29) 722 static uint32_t g_d15_regs[] = { 56, 57, LLDB_INVALID_REGNUM }; // (s30, s31) 723 static uint32_t g_q0_regs[] = { 26, 27, 28, 29, LLDB_INVALID_REGNUM }; // (d0, d1) -> (s0, s1, s2, s3) 724 static uint32_t g_q1_regs[] = { 30, 31, 32, 33, LLDB_INVALID_REGNUM }; // (d2, d3) -> (s4, s5, s6, s7) 725 static uint32_t g_q2_regs[] = { 34, 35, 36, 37, LLDB_INVALID_REGNUM }; // (d4, d5) -> (s8, s9, s10, s11) 726 static uint32_t g_q3_regs[] = { 38, 39, 40, 41, LLDB_INVALID_REGNUM }; // (d6, d7) -> (s12, s13, s14, s15) 727 static uint32_t g_q4_regs[] = { 42, 43, 44, 45, LLDB_INVALID_REGNUM }; // (d8, d9) -> (s16, s17, s18, s19) 728 static uint32_t g_q5_regs[] = { 46, 47, 48, 49, LLDB_INVALID_REGNUM }; // (d10, d11) -> (s20, s21, s22, s23) 729 static uint32_t g_q6_regs[] = { 50, 51, 52, 53, LLDB_INVALID_REGNUM }; // (d12, d13) -> (s24, s25, s26, s27) 730 static uint32_t g_q7_regs[] = { 54, 55, 56, 57, LLDB_INVALID_REGNUM }; // (d14, d15) -> (s28, s29, s30, s31) 731 static uint32_t g_q8_regs[] = { 59, 60, LLDB_INVALID_REGNUM }; // (d16, d17) 732 static uint32_t g_q9_regs[] = { 61, 62, LLDB_INVALID_REGNUM }; // (d18, d19) 733 static uint32_t g_q10_regs[] = { 63, 64, LLDB_INVALID_REGNUM }; // (d20, d21) 734 static uint32_t g_q11_regs[] = { 65, 66, LLDB_INVALID_REGNUM }; // (d22, d23) 735 static uint32_t g_q12_regs[] = { 67, 68, LLDB_INVALID_REGNUM }; // (d24, d25) 736 static uint32_t g_q13_regs[] = { 69, 70, LLDB_INVALID_REGNUM }; // (d26, d27) 737 static uint32_t g_q14_regs[] = { 71, 72, LLDB_INVALID_REGNUM }; // (d28, d29) 738 static uint32_t g_q15_regs[] = { 73, 74, LLDB_INVALID_REGNUM }; // (d30, d31) 739 740 // This is our array of composite registers, with each element coming from the above register mappings. 741 static uint32_t *g_composites[] = { 742 g_d0_regs, g_d1_regs, g_d2_regs, g_d3_regs, g_d4_regs, g_d5_regs, g_d6_regs, g_d7_regs, 743 g_d8_regs, g_d9_regs, g_d10_regs, g_d11_regs, g_d12_regs, g_d13_regs, g_d14_regs, g_d15_regs, 744 g_q0_regs, g_q1_regs, g_q2_regs, g_q3_regs, g_q4_regs, g_q5_regs, g_q6_regs, g_q7_regs, 745 g_q8_regs, g_q9_regs, g_q10_regs, g_q11_regs, g_q12_regs, g_q13_regs, g_q14_regs, g_q15_regs 746 }; 747 748 static RegisterInfo g_register_infos[] = { 749// NAME ALT SZ OFF ENCODING FORMAT COMPILER DWARF GENERIC GDB LLDB VALUE REGS INVALIDATE REGS 750// ====== ====== === === ============= ============ =================== =================== ====================== === ==== ========== =============== 751 { "r0", "arg1", 4, 0, eEncodingUint, eFormatHex, { gcc_r0, dwarf_r0, LLDB_REGNUM_GENERIC_ARG1,0, 0 }, NULL, NULL}, 752 { "r1", "arg2", 4, 0, eEncodingUint, eFormatHex, { gcc_r1, dwarf_r1, LLDB_REGNUM_GENERIC_ARG2,1, 1 }, NULL, NULL}, 753 { "r2", "arg3", 4, 0, eEncodingUint, eFormatHex, { gcc_r2, dwarf_r2, LLDB_REGNUM_GENERIC_ARG3,2, 2 }, NULL, NULL}, 754 { "r3", "arg4", 4, 0, eEncodingUint, eFormatHex, { gcc_r3, dwarf_r3, LLDB_REGNUM_GENERIC_ARG4,3, 3 }, NULL, NULL}, 755 { "r4", NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_r4, dwarf_r4, LLDB_INVALID_REGNUM, 4, 4 }, NULL, NULL}, 756 { "r5", NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_r5, dwarf_r5, LLDB_INVALID_REGNUM, 5, 5 }, NULL, NULL}, 757 { "r6", NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_r6, dwarf_r6, LLDB_INVALID_REGNUM, 6, 6 }, NULL, NULL}, 758 { "r7", "fp", 4, 0, eEncodingUint, eFormatHex, { gcc_r7, dwarf_r7, LLDB_REGNUM_GENERIC_FP, 7, 7 }, NULL, NULL}, 759 { "r8", NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_r8, dwarf_r8, LLDB_INVALID_REGNUM, 8, 8 }, NULL, NULL}, 760 { "r9", NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_r9, dwarf_r9, LLDB_INVALID_REGNUM, 9, 9 }, NULL, NULL}, 761 { "r10", NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_r10, dwarf_r10, LLDB_INVALID_REGNUM, 10, 10 }, NULL, NULL}, 762 { "r11", NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_r11, dwarf_r11, LLDB_INVALID_REGNUM, 11, 11 }, NULL, NULL}, 763 { "r12", NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_r12, dwarf_r12, LLDB_INVALID_REGNUM, 12, 12 }, NULL, NULL}, 764 { "sp", "r13", 4, 0, eEncodingUint, eFormatHex, { gcc_sp, dwarf_sp, LLDB_REGNUM_GENERIC_SP, 13, 13 }, NULL, NULL}, 765 { "lr", "r14", 4, 0, eEncodingUint, eFormatHex, { gcc_lr, dwarf_lr, LLDB_REGNUM_GENERIC_RA, 14, 14 }, NULL, NULL}, 766 { "pc", "r15", 4, 0, eEncodingUint, eFormatHex, { gcc_pc, dwarf_pc, LLDB_REGNUM_GENERIC_PC, 15, 15 }, NULL, NULL}, 767 { "f0", NULL, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 16, 16 }, NULL, NULL}, 768 { "f1", NULL, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 17, 17 }, NULL, NULL}, 769 { "f2", NULL, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 18, 18 }, NULL, NULL}, 770 { "f3", NULL, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 19, 19 }, NULL, NULL}, 771 { "f4", NULL, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 20, 20 }, NULL, NULL}, 772 { "f5", NULL, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 21, 21 }, NULL, NULL}, 773 { "f6", NULL, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 22, 22 }, NULL, NULL}, 774 { "f7", NULL, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 23, 23 }, NULL, NULL}, 775 { "fps", NULL, 4, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 24, 24 }, NULL, NULL}, 776 { "cpsr","flags", 4, 0, eEncodingUint, eFormatHex, { gcc_cpsr, dwarf_cpsr, LLDB_INVALID_REGNUM, 25, 25 }, NULL, NULL}, 777 { "s0", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s0, LLDB_INVALID_REGNUM, 26, 26 }, NULL, NULL}, 778 { "s1", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s1, LLDB_INVALID_REGNUM, 27, 27 }, NULL, NULL}, 779 { "s2", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s2, LLDB_INVALID_REGNUM, 28, 28 }, NULL, NULL}, 780 { "s3", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s3, LLDB_INVALID_REGNUM, 29, 29 }, NULL, NULL}, 781 { "s4", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s4, LLDB_INVALID_REGNUM, 30, 30 }, NULL, NULL}, 782 { "s5", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s5, LLDB_INVALID_REGNUM, 31, 31 }, NULL, NULL}, 783 { "s6", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s6, LLDB_INVALID_REGNUM, 32, 32 }, NULL, NULL}, 784 { "s7", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s7, LLDB_INVALID_REGNUM, 33, 33 }, NULL, NULL}, 785 { "s8", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s8, LLDB_INVALID_REGNUM, 34, 34 }, NULL, NULL}, 786 { "s9", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s9, LLDB_INVALID_REGNUM, 35, 35 }, NULL, NULL}, 787 { "s10", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s10, LLDB_INVALID_REGNUM, 36, 36 }, NULL, NULL}, 788 { "s11", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s11, LLDB_INVALID_REGNUM, 37, 37 }, NULL, NULL}, 789 { "s12", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s12, LLDB_INVALID_REGNUM, 38, 38 }, NULL, NULL}, 790 { "s13", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s13, LLDB_INVALID_REGNUM, 39, 39 }, NULL, NULL}, 791 { "s14", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s14, LLDB_INVALID_REGNUM, 40, 40 }, NULL, NULL}, 792 { "s15", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s15, LLDB_INVALID_REGNUM, 41, 41 }, NULL, NULL}, 793 { "s16", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s16, LLDB_INVALID_REGNUM, 42, 42 }, NULL, NULL}, 794 { "s17", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s17, LLDB_INVALID_REGNUM, 43, 43 }, NULL, NULL}, 795 { "s18", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s18, LLDB_INVALID_REGNUM, 44, 44 }, NULL, NULL}, 796 { "s19", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s19, LLDB_INVALID_REGNUM, 45, 45 }, NULL, NULL}, 797 { "s20", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s20, LLDB_INVALID_REGNUM, 46, 46 }, NULL, NULL}, 798 { "s21", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s21, LLDB_INVALID_REGNUM, 47, 47 }, NULL, NULL}, 799 { "s22", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s22, LLDB_INVALID_REGNUM, 48, 48 }, NULL, NULL}, 800 { "s23", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s23, LLDB_INVALID_REGNUM, 49, 49 }, NULL, NULL}, 801 { "s24", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s24, LLDB_INVALID_REGNUM, 50, 50 }, NULL, NULL}, 802 { "s25", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s25, LLDB_INVALID_REGNUM, 51, 51 }, NULL, NULL}, 803 { "s26", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s26, LLDB_INVALID_REGNUM, 52, 52 }, NULL, NULL}, 804 { "s27", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s27, LLDB_INVALID_REGNUM, 53, 53 }, NULL, NULL}, 805 { "s28", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s28, LLDB_INVALID_REGNUM, 54, 54 }, NULL, NULL}, 806 { "s29", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s29, LLDB_INVALID_REGNUM, 55, 55 }, NULL, NULL}, 807 { "s30", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s30, LLDB_INVALID_REGNUM, 56, 56 }, NULL, NULL}, 808 { "s31", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s31, LLDB_INVALID_REGNUM, 57, 57 }, NULL, NULL}, 809 { "fpscr",NULL, 4, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 58, 58 }, NULL, NULL}, 810 { "d16", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d16, LLDB_INVALID_REGNUM, 59, 59 }, NULL, NULL}, 811 { "d17", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d17, LLDB_INVALID_REGNUM, 60, 60 }, NULL, NULL}, 812 { "d18", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d18, LLDB_INVALID_REGNUM, 61, 61 }, NULL, NULL}, 813 { "d19", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d19, LLDB_INVALID_REGNUM, 62, 62 }, NULL, NULL}, 814 { "d20", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d20, LLDB_INVALID_REGNUM, 63, 63 }, NULL, NULL}, 815 { "d21", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d21, LLDB_INVALID_REGNUM, 64, 64 }, NULL, NULL}, 816 { "d22", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d22, LLDB_INVALID_REGNUM, 65, 65 }, NULL, NULL}, 817 { "d23", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d23, LLDB_INVALID_REGNUM, 66, 66 }, NULL, NULL}, 818 { "d24", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d24, LLDB_INVALID_REGNUM, 67, 67 }, NULL, NULL}, 819 { "d25", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d25, LLDB_INVALID_REGNUM, 68, 68 }, NULL, NULL}, 820 { "d26", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d26, LLDB_INVALID_REGNUM, 69, 69 }, NULL, NULL}, 821 { "d27", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d27, LLDB_INVALID_REGNUM, 70, 70 }, NULL, NULL}, 822 { "d28", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d28, LLDB_INVALID_REGNUM, 71, 71 }, NULL, NULL}, 823 { "d29", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d29, LLDB_INVALID_REGNUM, 72, 72 }, NULL, NULL}, 824 { "d30", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d30, LLDB_INVALID_REGNUM, 73, 73 }, NULL, NULL}, 825 { "d31", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d31, LLDB_INVALID_REGNUM, 74, 74 }, NULL, NULL}, 826 { "d0", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d0, LLDB_INVALID_REGNUM, 75, 75 }, g_d0_regs, NULL}, 827 { "d1", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d1, LLDB_INVALID_REGNUM, 76, 76 }, g_d1_regs, NULL}, 828 { "d2", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d2, LLDB_INVALID_REGNUM, 77, 77 }, g_d2_regs, NULL}, 829 { "d3", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d3, LLDB_INVALID_REGNUM, 78, 78 }, g_d3_regs, NULL}, 830 { "d4", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d4, LLDB_INVALID_REGNUM, 79, 79 }, g_d4_regs, NULL}, 831 { "d5", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d5, LLDB_INVALID_REGNUM, 80, 80 }, g_d5_regs, NULL}, 832 { "d6", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d6, LLDB_INVALID_REGNUM, 81, 81 }, g_d6_regs, NULL}, 833 { "d7", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d7, LLDB_INVALID_REGNUM, 82, 82 }, g_d7_regs, NULL}, 834 { "d8", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d8, LLDB_INVALID_REGNUM, 83, 83 }, g_d8_regs, NULL}, 835 { "d9", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d9, LLDB_INVALID_REGNUM, 84, 84 }, g_d9_regs, NULL}, 836 { "d10", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d10, LLDB_INVALID_REGNUM, 85, 85 }, g_d10_regs, NULL}, 837 { "d11", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d11, LLDB_INVALID_REGNUM, 86, 86 }, g_d11_regs, NULL}, 838 { "d12", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d12, LLDB_INVALID_REGNUM, 87, 87 }, g_d12_regs, NULL}, 839 { "d13", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d13, LLDB_INVALID_REGNUM, 88, 88 }, g_d13_regs, NULL}, 840 { "d14", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d14, LLDB_INVALID_REGNUM, 89, 89 }, g_d14_regs, NULL}, 841 { "d15", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d15, LLDB_INVALID_REGNUM, 90, 90 }, g_d15_regs, NULL}, 842 { "q0", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q0, LLDB_INVALID_REGNUM, 91, 91 }, g_q0_regs, NULL}, 843 { "q1", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q1, LLDB_INVALID_REGNUM, 92, 92 }, g_q1_regs, NULL}, 844 { "q2", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q2, LLDB_INVALID_REGNUM, 93, 93 }, g_q2_regs, NULL}, 845 { "q3", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q3, LLDB_INVALID_REGNUM, 94, 94 }, g_q3_regs, NULL}, 846 { "q4", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q4, LLDB_INVALID_REGNUM, 95, 95 }, g_q4_regs, NULL}, 847 { "q5", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q5, LLDB_INVALID_REGNUM, 96, 96 }, g_q5_regs, NULL}, 848 { "q6", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q6, LLDB_INVALID_REGNUM, 97, 97 }, g_q6_regs, NULL}, 849 { "q7", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q7, LLDB_INVALID_REGNUM, 98, 98 }, g_q7_regs, NULL}, 850 { "q8", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q8, LLDB_INVALID_REGNUM, 99, 99 }, g_q8_regs, NULL}, 851 { "q9", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q9, LLDB_INVALID_REGNUM, 100, 100 }, g_q9_regs, NULL}, 852 { "q10", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q10, LLDB_INVALID_REGNUM, 101, 101 }, g_q10_regs, NULL}, 853 { "q11", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q11, LLDB_INVALID_REGNUM, 102, 102 }, g_q11_regs, NULL}, 854 { "q12", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q12, LLDB_INVALID_REGNUM, 103, 103 }, g_q12_regs, NULL}, 855 { "q13", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q13, LLDB_INVALID_REGNUM, 104, 104 }, g_q13_regs, NULL}, 856 { "q14", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q14, LLDB_INVALID_REGNUM, 105, 105 }, g_q14_regs, NULL}, 857 { "q15", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q15, LLDB_INVALID_REGNUM, 106, 106 }, g_q15_regs, NULL} 858 }; 859 860 static const uint32_t num_registers = llvm::array_lengthof(g_register_infos); 861 static ConstString gpr_reg_set ("General Purpose Registers"); 862 static ConstString sfp_reg_set ("Software Floating Point Registers"); 863 static ConstString vfp_reg_set ("Floating Point Registers"); 864 size_t i; 865 if (from_scratch) 866 { 867 // Calculate the offsets of the registers 868 // Note that the layout of the "composite" registers (d0-d15 and q0-q15) which comes after the 869 // "primordial" registers is important. This enables us to calculate the offset of the composite 870 // register by using the offset of its first primordial register. For example, to calculate the 871 // offset of q0, use s0's offset. 872 if (g_register_infos[2].byte_offset == 0) 873 { 874 uint32_t byte_offset = 0; 875 for (i=0; i<num_registers; ++i) 876 { 877 // For primordial registers, increment the byte_offset by the byte_size to arrive at the 878 // byte_offset for the next register. Otherwise, we have a composite register whose 879 // offset can be calculated by consulting the offset of its first primordial register. 880 if (!g_register_infos[i].value_regs) 881 { 882 g_register_infos[i].byte_offset = byte_offset; 883 byte_offset += g_register_infos[i].byte_size; 884 } 885 else 886 { 887 const uint32_t first_primordial_reg = g_register_infos[i].value_regs[0]; 888 g_register_infos[i].byte_offset = g_register_infos[first_primordial_reg].byte_offset; 889 } 890 } 891 } 892 for (i=0; i<num_registers; ++i) 893 { 894 ConstString name; 895 ConstString alt_name; 896 if (g_register_infos[i].name && g_register_infos[i].name[0]) 897 name.SetCString(g_register_infos[i].name); 898 if (g_register_infos[i].alt_name && g_register_infos[i].alt_name[0]) 899 alt_name.SetCString(g_register_infos[i].alt_name); 900 901 if (i <= 15 || i == 25) 902 AddRegister (g_register_infos[i], name, alt_name, gpr_reg_set); 903 else if (i <= 24) 904 AddRegister (g_register_infos[i], name, alt_name, sfp_reg_set); 905 else 906 AddRegister (g_register_infos[i], name, alt_name, vfp_reg_set); 907 } 908 } 909 else 910 { 911 // Add composite registers to our primordial registers, then. 912 const size_t num_composites = llvm::array_lengthof(g_composites); 913 const size_t num_dynamic_regs = GetNumRegisters(); 914 const size_t num_common_regs = num_registers - num_composites; 915 RegisterInfo *g_comp_register_infos = g_register_infos + num_common_regs; 916 917 // First we need to validate that all registers that we already have match the non composite regs. 918 // If so, then we can add the registers, else we need to bail 919 bool match = true; 920 if (num_dynamic_regs == num_common_regs) 921 { 922 for (i=0; match && i<num_dynamic_regs; ++i) 923 { 924 // Make sure all register names match 925 if (m_regs[i].name && g_register_infos[i].name) 926 { 927 if (strcmp(m_regs[i].name, g_register_infos[i].name)) 928 { 929 match = false; 930 break; 931 } 932 } 933 934 // Make sure all register byte sizes match 935 if (m_regs[i].byte_size != g_register_infos[i].byte_size) 936 { 937 match = false; 938 break; 939 } 940 } 941 } 942 else 943 { 944 // Wrong number of registers. 945 match = false; 946 } 947 // If "match" is true, then we can add extra registers. 948 if (match) 949 { 950 for (i=0; i<num_composites; ++i) 951 { 952 ConstString name; 953 ConstString alt_name; 954 const uint32_t first_primordial_reg = g_comp_register_infos[i].value_regs[0]; 955 const char *reg_name = g_register_infos[first_primordial_reg].name; 956 if (reg_name && reg_name[0]) 957 { 958 for (uint32_t j = 0; j < num_dynamic_regs; ++j) 959 { 960 const RegisterInfo *reg_info = GetRegisterInfoAtIndex(j); 961 // Find a matching primordial register info entry. 962 if (reg_info && reg_info->name && ::strcasecmp(reg_info->name, reg_name) == 0) 963 { 964 // The name matches the existing primordial entry. 965 // Find and assign the offset, and then add this composite register entry. 966 g_comp_register_infos[i].byte_offset = reg_info->byte_offset; 967 name.SetCString(g_comp_register_infos[i].name); 968 AddRegister(g_comp_register_infos[i], name, alt_name, vfp_reg_set); 969 } 970 } 971 } 972 } 973 } 974 } 975} 976